How to pass Matlab workspace variable into system command?

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Saurabh Srivastava
Saurabh Srivastava 2014-1-18
回答： cui,xingxing 2019-1-2
I am using a program (wgrib) which is used to read .grb file and it runs in linux environment. This program required filename to read it. Now I want to use this programm using 'system' command in matlab. It works fine when I give the name of file but fails to execute when I give the variable which contains several file name. For ex. it works fine when I use
[u v]=system('wgrib xyz.grb') where wgrib is programm and xyz.grb is file name
But when I give it like
[u v]=system('wgrib filename')
where filename is a matlab variable which contains file name (i.e. xyz,grb), it does not execute and says didn't find file.
Can anyone suggest how to pass matlab variable in system command.

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采纳的回答

Jan
Jan 2014-1-18
[u v] = system(['wgrib ', filename])

更多回答（2 个）

Walter Roberson
Walter Roberson 2014-1-20
filename = 'xyz.grb';
[u v]=system( sprintf('wgrib %s', filename) )
cui,xingxing
cui,xingxing 2019-1-2
filename = 'xyz.grb';
command = ['wgrib ',filename];
[u v] = system(command)

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